Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3f8943eb2f941261d50eab6ff4f365bb094e04c0d1254f0bf8f53aa9c0fb65d1:14:32
   |
14 |                                 let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^